The NFL's 2019 free-agent class has been handsomely rewarded in the early going.

Many of the deals will pay off, as a number of teams addressed their biggest needs with immediate upgrades.

However, several of the recently signed free agents are primed to decline.

Whether because of age, injury concerns or poor situational fit, the following players won't provide a positive return on their new contracts.

Nick Foles, QB, Jacksonville Jaguars

The Jacksonville Jaguars rushed to give quarterback Nick Foles a four-year, $88 million contract with $50 million guaranteed at the start of free agency.